Random Riddle: KLMNO

K is like a sunrise because it appears at the end of DARK.
L is like a warm furnace because it makes IT LIT.
M is a favorite with miners because it makes ORE MORE.
N is like a pig because it makes A STY NASTY.
O is the only one of the five vowels that you can hear because all the others are in AUDIBLE (INAUDIBLE).